Test that modal shows up and the url isn't updated

Author: schloerke

tests/playwright/shiny/bookmark/modal/app.py

@@ -0,0 +1,20 @@
+from starlette.requests import Request
+
+from shiny import App, Inputs, Outputs, Session, reactive, ui
+
+
+def app_ui(request: Request):
+    return ui.page_fluid(
+        ui.input_radio_buttons("letter", "Choose a letter", choices=["A", "B", "C"]),
+    )
+
+
+def server(input: Inputs, ouput: Outputs, session: Session):
+
+    @reactive.effect
+    @reactive.event(input.letter, ignore_init=True)
+    async def _():
+        await session.bookmark()
+
+
+app = App(app_ui, server, bookmark_store="url")

tests/playwright/shiny/bookmark/modal/test_bookmark_modal.py

@@ -0,0 +1,21 @@
+import re
+
+from playwright.sync_api import Page, expect
+
+from shiny.playwright.controller import InputRadioButtons
+from shiny.run import ShinyAppProc
+
+
+def test_bookmark_modules(page: Page, local_app: ShinyAppProc):
+
+    page.goto(local_app.url)
+
+    letter = InputRadioButtons(page, "letter")
+    letter.expect_selected("A")
+    letter.set("C")
+
+    expect(page.locator("div.modal-body > textarea")).to_have_value(
+        re.compile(r"letter=%22C%22")
+    )
+
+    assert "?" not in page.url